"Open layout" refers to a design or arrangement of a space that lacks physical barriers such as walls or partitions, allowing for a large, open space with easy flow and visibility between different areas. Full definition
They used to be caves before the renovation and I do very much appreciate the new more open layout of the dressing room area. (effortlesslywithroxy.com)
A kitchen with open layout makes it easier for entertaining and family living. (homebunch.com)
The new, more open layout will definitely take advantage of your beautiful view! (theinspiredroom.net)